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ALMA is an array of 66 radio telescopes built at an altitude of approximately 5000 m in the Chile Atacama desert through international collaboration. It performs radio observations with unprecedented accuracy and high sensitivity.
This is Japan’s optical/infrared telescope boasting an 8.2 m aperture on the Summit of Maunakea on the Island of Hawai`i. It continues to produce world class observational results.
This is the extremely large optical/infrared 30 m telescope scheduled to be built on Maunakea on the Island of Hawai`i. This plan is proceeding through international cooperation.